Home / 5,268,998.43-7,271,123.05-2,977,109.91

Finding the Fourth Proportional to 5,268,998.43, 7,271,123.05 and 2,977,109.91

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Solution

The fourth proportional to 5,268,998.43, 7,271,123.05 and 2,977,109.91 is: 4,108,358.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268,998.43 : 7,271,123.05 = 2,977,109.91 : x
  2. Step 2: Convert to fraction form
    5,268,998.43/7,271,123.05 = 2,977,109.91/x
  3. Step 3: Cross multiply
    5,268,998.43x = 7,271,123.05 × 2,977,109.91
  4. Step 4: Simplify right side
    5,268,998.43x = 21,646,932,492,705.81
  5. Step 5: Solve for x
    x = 21,646,932,492,705.81/5,268,998.43
  6. Step 6: Final answer
    x = 4,108,358.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.